Are you Dr. O Brien? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Paul O Brien, MD

Is this you? Edit this profile

At a glance

About Dr. O Brien

Based in Bethesda, MD, Paul O Brien, MD is listed in the NPI registry under emergency medicine. NPI 1679519896 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

MD licenceAs reported to the NPI registry
No. D0031027As reported
NPINational Provider Identifier
1679519896Issued 2006

As reported to the NPI registry ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. O Brien specialize in?

Dr. O Brien is an emergency physician in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Dr. O Brien located?

Dr. O Brien is listed at 8600 Old Georgetown Rd, Bethesda, MD 20814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. O Brien's phone number?

The number on file is (301) 896-3054. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. O Brien's NPI number?

Dr. O Brien's National Provider Identifier is 1679519896. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Dr. O Brien been practicing?

Dr. O Brien has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. O Brien confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. O Brien. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD